Jason has been preparing carefully for his English examination so that he could be sure of passing it at his first .
A. purpose
B. desire
C. attempt
D. intention
网友回答
A. purpose
B. desire
(答案→)C. attempt
D. intention
解析：purpose目的，意图；desire愿望；attempt尝试做某事；intention意图，意向，目的。题意：他已经仔细准备了英语考试以确保一次通过考试。